on your system to accquire a free SSL certificate.
apt-get install python-certbot-apache
To deploy the free SSL certificate for the virtual host on the unit, run the following command:
will also modify the virtual host
to load the respective certificate. To set up automatic renewal, create a
job (without user input), for example, on 1:00 every day,
job will check the expiration status of all certificates loaded on the system, and only update the certificate when it is about to expire.
Alternatively, please visit sslforfree.com
and follow its instruction to download and setup SSL for your domain. The certificate is valid for 90 days and thus must be renewed in 90 days. The screenshots below illustrate the step-by-step procedure.